tutorial/org.eclipse.emf.examples.library.edit/src/org/eclipse/emf/examples/extlibrary/provider/BookItemProvider.java

/**
 * Copyright (c) 2005-2006 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: 
 *   IBM - Initial API and implementation
 */
package org.eclipse.emf.examples.extlibrary.provider;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;

import org.eclipse.emf.examples.extlibrary.Book;
import org.eclipse.emf.examples.extlibrary.EXTLibraryPackage;

/**
 * This is the item provider adapter for a {@link org.eclipse.emf.examples.extlibrary.Book} object. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 * 
 * @generated
 */
public class BookItemProvider extends CirculatingItemItemProvider implements IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier. <!-- begin-user-doc --> <!-- end-user-doc
	 * -->
	 * 
	 * @generated
	 */
	public BookItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc
	 * -->
	 * 
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addTitlePropertyDescriptor(object);
			addPagesPropertyDescriptor(object);
			addCategoryPropertyDescriptor(object);
			addAuthorPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Title feature. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addTitlePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_Book_title_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_Book_title_feature", "_UI_Book_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				EXTLibraryPackage.Literals.BOOK__TITLE, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Pages feature. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addPagesPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_Book_pages_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_Book_pages_feature", "_UI_Book_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				EXTLibraryPackage.Literals.BOOK__PAGES, true, false, false,
				ItemPropertyDescriptor.INTEGRAL_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Category feature. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addCategoryPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_Book_category_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_Book_category_feature", "_UI_Book_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				EXTLibraryPackage.Literals.BOOK__CATEGORY, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Author feature. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addAuthorPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_Book_author_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_Book_author_feature", "_UI_Book_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				EXTLibraryPackage.Literals.BOOK__AUTHOR, true, false, false, null, null, null));
	}

	/**
	 * This returns Book.gif. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/Book")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		String label = ((Book)object).getTitle();
		return label == null || label.length() == 0 ? getString("_UI_Book_type") : //$NON-NLS-1$
				getString("_UI_Book_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * This handles model notifications by calling {@link #updateChildren} to update any cached children and
	 * by creating a viewer notification, which it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(Book.class)) {
			case EXTLibraryPackage.BOOK__TITLE:
			case EXTLibraryPackage.BOOK__PAGES:
			case EXTLibraryPackage.BOOK__CATEGORY:
				fireNotifyChanged(
						new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children that can be
	 * created under this object. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);
	}

}